modificationevent.java

来自「Rapla是一个灵活的多用户资源管理系统。它提供的一些功能有：日历GUI」· Java 代码 · 共 42 行

/*--------------------------------------------------------------------------*
 | Copyright (C) 2006 Christopher Kohlhaas                                  |
 |                                                                          |
 | This program is free software; you can redistribute it and/or modify     |
 | it under the terms of the GNU General Public License as published by the |
 | Free Software Foundation. A copy of the license has been included with   |
 | these distribution in the COPYING file, if not go to www.fsf.org         |
 |                                                                          |
 | As a special exception, you are granted the permissions to link this     |
 | program with every library, which license fulfills the Open Source       |
 | Definition as published by the Open Source Initiative (OSI).             |
 *--------------------------------------------------------------------------*/
package org.rapla.facade;

import java.util.Set;

/** Encapsulate the changes that are made in the backend-store.*/
public interface ModificationEvent
{
    /** returns if the objects has changed.*/
    public boolean hasChanged(Object object);

    /** returns if the objects was removed.*/
    public boolean isRemoved(Object object);
    /** returns if the objects has changed or was removed.*/
    public boolean isModified(Object object);

    public Set getRemoved(Set col);

    public Set getChanged(Set col);

    /** returns all removed objects .*/
    public Set getRemoved();

    /** returns all changed object .*/
    public Set getChanged();
    }